WO2021114273A1 - Connector - Google Patents

Abstract

A connector comprising a first connecting assembly (10) and a second connecting assembly (20) capable of being mated with each other by means of insertion. The first connecting assembly (10) comprises a first insulation member (12), multiple first conductive terminals (13) mounted on the first insulation member (12), first signal blocking members (14) provided around the first conductive terminals (13), and second signal blocking members (15) provided between the multiple first conductive terminals (13). The second connecting assembly (20) comprises a second insulation member (22), multiple second conductive terminals (23) mounted on the second insulation member (22), third signal blocking members (24) provided around the second conductive terminals (23) and used to connect to ground potential, and fourth signal blocking members (25) provided between the multiple second conductive terminals (23) and used to connect to ground potential. When the first connecting assembly (10) and the second connecting assembly (20) are mated with each other by means of insertion, the first conductive terminals (13) contact the second conductive terminals (23). The first signal blocking members (14) and the third signal blocking members (24) form a multi-point annular contact. The second signal blocking members (15) and the fourth signal blocking members (25) form at least two points of contact.

Description

A connector Technical field

The present invention relates to the field of communication technology, in particular to a connector.

Background technique

The board-to-board connector of the prior art has been widely used in many electronic products to connect different functional modules. They provide design, manufacturing and service flexibility for many products. The RF board-to-board connector is used to connect the RF module to other functional circuits. Due to the higher operating frequency range and susceptibility to interference from other signals, there are specific considerations in the design of this connector, such as size and shielding of interference signals.

Therefore, how to reduce the signal interference of the connector is a hot topic being studied by those skilled in the art.

technical problem

The present invention provides a connector, which aims to solve the problem of connector signal interference.

Technical solutions

In order to achieve the above-mentioned object, the present invention provides a connector which includes a first connecting component and a second connecting component that are pluggable and mated. The first connecting component includes a first insulating member and is mounted on the The plurality of first conductive terminals of the first insulating member, the first signal shielding member arranged around the first conductive terminal and used to connect to the ground potential, and the first signal shielding member arranged between the plurality of first conductive terminals and used to connect with A second signal shield connected to the ground potential;

The second connection assembly includes a second insulating member, a plurality of second conductive terminals mounted on the second insulating member, and a third signal shielding member ringed around the second conductive terminal and used to connect to ground potential And a fourth signal shielding member arranged between the plurality of second conductive terminals and used for connection with the ground potential;

When the first connecting component and the second connecting component are mated and mated, the first conductive terminal contacts the second conductive terminal; the first signal shield and the third signal shield form Multi-point ring-shaped contact, the second signal shield and the fourth signal shield form at least two-point contact.

Preferably, the second signal shielding member is provided with at least two clamping portions, and the fourth signal shielding member is provided with at least two plug-in portions;

When the first connecting component and the second connecting component are in plug-in fit, the clamping portion elastically clamps the plug-in portion.

Preferably, the first insulating member is provided with a first ring-shaped mounting portion and a limiting portion located in the first ring-shaped mounting portion, and a first ring shape is formed between the first ring-shaped mounting portion and the limiting portion groove;

The first signal shielding member is disposed on the first annular mounting portion;

A plurality of the first conductive terminals are arranged in two rows on opposite sides of the limiting portion respectively, and are exposed in the first annular groove;

The limiting portion is provided with an opening, and the second signal shielding member is disposed between the two rows of the first conductive terminals and is exposed to the limiting portion through the opening.

Preferably, the first signal shielding member includes a first body portion, the first body portion is ring-shaped and sleeved on the outer wall of the first ring-shaped mounting portion, when the first connecting component and the second When the connecting component is mated and mated, the first body part and the second connecting component form a multi-point annular contact.

Preferably, the first signal shielding member further includes a notch shielding portion, a first notch for avoiding the first conductive terminal is provided on opposite sides of the first body portion, and the notch shielding portion is opposite to the first conductive terminal. A gap is provided and connected to the first body part and the ground potential.

Preferably, the first ring-shaped mounting portion is provided with a protrusion, and the first body portion is provided with a groove for mating with the protrusion.

Preferably, the second insulating member is provided with a second annular mounting portion and a third annular mounting portion, and a second annular groove is formed between the second annular mounting portion and the third annular mounting portion;

The third signal shield is mounted on the second annular mounting part;

The plurality of second conductive terminals are arranged in two rows on opposite sides of the third annular mounting portion, and are exposed outside the second annular groove;

The fourth signal shielding member is arranged between the two rows of the second conductive terminals;

When the first connecting component and the second connecting component are plug-in mated, the first annular mounting portion is inserted into the second annular groove, and the third annular mounting portion is inserted into the first annular groove. Inside an annular groove.

Preferably, a limiting groove is provided on opposite sides of the first annular mounting portion, and a limiting block that cooperates with the limiting groove is arranged between the second annular mounting portion and the third annular mounting portion.

Preferably, the third signal shielding member includes a second body portion, a plurality of elastic contact members provided on the second body portion, and a fitting member provided on a side of the second body portion close to the first connecting component ；

When the first connection component and the second connection component are mated and mated, the elastic contact piece elastically clamps the first body portion, and the fitting piece and the first signal shielding piece have an annular circumferential direction Fit to form a ring shield.

Preferably, the first connection assembly further includes a first substrate connected to the first insulator;

The first substrate is provided with the ground potential, one end of the first body portion is fixed to the first substrate and the first gap is formed between the first body portion and the first substrate, and the gap shielding portion is connected to The first notch is connected to the first body at both ends of the first notch and the first substrate, and is electrically connected to the ground potential;

The second connection assembly further includes a second substrate connected to the second insulator;

The second substrate is provided with the ground potential, and one end of the second body portion is fixed to the second substrate and is electrically connected to the ground potential.

Beneficial effect

Compared with the existing design, the connector provided by the present invention includes a first connection component and a second connection component that can be plugged and fitted. The second signal shield is provided on the first connection component and the second signal is shielded. The first conductive terminal is arranged between the plurality of first conductive terminals to divide the first conductive terminal into two groups of signal terminals. At the same time, a ring-shaped first signal shielding member is arranged around the first conductive terminal; There is a fourth signal shield, and the fourth signal shield is arranged between the plurality of second conductive terminals to separate the second conductive terminals into two groups of signal terminals. At the same time, a ring-shaped structure is arranged around the second conductive terminals. The third signal shield.

When the first connecting component and the second connecting component are mated, the two sets of signal terminals of the first conductive terminal are in contact with the two sets of signal terminals of the second conductive terminal to realize electrical connection; the first signal shield and the third signal shield The electrical connection and the second signal shield and the fourth signal shield form a multi-point contact electrical connection.

The first signal shield and the third signal shield are used to form an outer annular shield, thereby reducing signal leakage of the first conductive terminal and the second conductive terminal in the connector.

Further, the second signal shield and the fourth signal shield are used to form an effective shield for the signal transmission between the two sets of signal terminals inside the connector, thereby forming an all-round high-efficiency shielding inside and outside with low leakage, and a good solution to the inside of the connector The mutual interference between signals and the problem of signal leakage.

Description of the drawings

Figure 1 Schematic diagram of the exploded structure of the connector provided by the present invention;

2 is a schematic diagram of the three-dimensional structure of the first connecting component of the connector of the present invention;

Fig. 3 is a schematic diagram of the exploded structure of the first connecting component of the connector of the present invention;

Fig. 4 is a schematic diagram of the three-dimensional structure of the second connection assembly of the connector of the present invention;

5 is a schematic diagram of the exploded structure of the second connection assembly of the connector of the present invention;

Fig. 6 is a schematic cross-sectional structure diagram of the first connection component and the second connection component of the connector mating and mating.

Embodiments of the present invention

In order to make the objectives, technical solutions and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not used to limit the present invention.

Please refer to FIG. 1, the connector 1 includes a first connection component 10 and a second connection component 20, and the first connection component 10 and the second connection component 20 can be plug-fitted to be electrically connected.

Please refer to FIGS. 2-3, the first connection assembly 10 includes a first substrate 11, a first insulating member 12, a plurality of first conductive terminals 13 mounted on the first insulating member 12, and ringed around the first conductive terminal 13 for use The first signal shield 14 connected to the ground potential and the second signal shield 15 arranged between the plurality of first conductive terminals 13 and used to connect to the ground potential. The second signal shield 15 connects the plurality of first conductive The terminals 13 are divided into two groups of signal terminals, and each group of signal terminals includes at least two first conductive terminals 13.

Wherein, the first substrate 11 provides a supporting base, and the first insulating member 12 is disposed on one side of the first substrate 11. The first conductive terminal 13, the first signal shielding member 14, and the second signal shielding member 15 are mounted on the first insulating member 12, and the first signal shielding member 14 and the second signal shielding member 15 are connected to the ground provided on the first substrate 11. Potential electrical connection.

Specifically, the first insulating member 12 includes a first annular mounting portion 121 and a limiting portion 122 connected to the first annular mounting portion 121 and located in the first annular mounting portion 121, and the first annular mounting portion 121 and the limiting portion A first annular groove 123 is formed between 122.

In some embodiments, the first signal shield 14 includes a first body portion 141. The first body portion 141 is annularly sleeved on the outer wall of the first annular mounting portion 121, and one end of the first body portion 141 is fixed to the first substrate 11 and is electrically connected to the ground potential. When the first connecting component 10 and the second connecting component 20 are mated and mated, the first body portion 141 and the second connecting component 20 form a multi-point annular contact.

In some embodiments, the first signal shield 14 further includes a notch shield 142. A first notch 143 for avoiding the first conductive terminal 13 is provided on opposite sides of the first body portion 141 connected to the first substrate 11, and the notch shielding portion 142 is disposed opposite to the first notch 143, and is connected across the first notch. 143 is connected to the first body portion 141 at both ends of the first notch 143 and the first substrate connection 11, and is electrically connected to the ground potential to form an effective electromagnetic shield at the first notch 143, thereby reducing the transmission of the first conductive terminal 13 The electrical signal leaks from the first gap 143.

In some embodiments, the first annular mounting portion 121 is provided with a protrusion 1211, and the first body portion 141 is provided with a slot 1411. When the first signal shield 14 is mounted on the first annular mounting portion 121, the protrusion 1211 It is engaged with the slot 1411 so that the first signal shield 14 can be more firmly installed on the first annular mounting portion 121.

It can be understood that there may be one or more protrusions 1211, and they may be provided on one side or opposite sides of the first annular mounting portion 121, which is not limited here, as long as the protrusions 1211 can be combined with those provided on the first body portion 141. The card slot 1411 only needs to be engaged.

The plurality of first conductive terminals 13 are arranged in two rows on opposite sides of the limiting portion 122 and exposed to the first annular groove 123. Each row of the first conductive terminals 13 forms a set of signal transmission terminals.

An opening 1221 is opened on the side of the limiting portion 122 close to the second connecting component 20, and the opening 1221 may be one or more, and may be set as required.

The second signal shield 15 is arranged between the two rows of first conductive terminals 13, and is exposed to the limiting portion 122 through the opening 1221, and is used to isolate the two groups of first conductive terminals 13 so as to reduce the first conductive terminals in each row. 13 Interference between transmitted signals.

Specifically, the second signal shield 15 includes a fixing portion 151 and at least two clamping portions 152 connected to the fixing portion 151. The second signal shield 15 is fixed to the limiting portion 122 or the first substrate 11 by the fixing portion 151, The clamping portion 152 is exposed through the opening 1221 so as to facilitate the mating of the second connecting component 20.

Please refer to FIGS. 4-5, the second connecting assembly 20 includes a second substrate 21, a second insulating member 22, a plurality of second conductive terminals 23 mounted on the second insulating member 22, and ringed around the second conductive terminal 23 for use The third signal shield 24 connected to the ground potential and the fourth signal shield 25 arranged between the plurality of second conductive terminals 23 and used to connect to the ground potential. The fourth signal shield 25 connects the plurality of second conductive The terminals 23 are divided into two groups of signal terminals, and each group of signal terminals includes at least two second conductive terminals 23.

The second substrate 21 provides a supporting base, and the second insulating member 22 is disposed on one side of the second substrate 21. The second conductive terminal 23, the third signal shielding member 24, and the fourth signal shielding member 25 are mounted on the second insulating member 22, and the third signal shielding member 24 and the fourth signal shielding member 25 are connected to the ground potential provided on the second substrate 21 Electric connection.

The ground potential may be that at least one of the first substrate 11 and the second substrate 21 is provided with a conductive member 112, and the conductive member 112 is connected to the signal ground to form a ground potential, as shown in FIG. 6.

Specifically, the second insulating member 22 includes a second ring-shaped mounting portion 221 and a third ring-shaped mounting portion 222 disposed in the second ring-shaped mounting portion 221. A second annular groove 223 is formed between the second annular mounting portion 221 and the third annular mounting portion 222.

The third signal shield 24 is mounted on the second annular mounting portion 221. Specifically, the third signal shielding member 24 includes a second body portion 241, a plurality of elastic contact members 242 provided on the second body portion 241, and a fitting member provided on the side of the second body portion 241 close to the first connection assembly 10. 243. The second body portion 241 extends from the second substrate 21 to the first substrate 11.

When the first connection component 10 and the second connection component 20 are mated and mated, the elastic contact member 242 elastically clamps the first body portion 141, and the bonding member 243 is circumferentially bonded to the first signal shielding member 14 to form an annular shield.

That is, when the first connection component 10 and the second connection component 20 are plug-in mated, the first signal shield 14 and the third signal shield 24 cooperate to form a periphery of the first conductive terminal 13 and the second conductive terminal 23 The annular shield forms a tight shield in the direction from the first substrate 11 to the second substrate 21 at the same time.

Preferably, a plurality of elastic contact members 242 are respectively disposed on opposite sides or around the second body portion 241.

The plurality of second conductive terminals 23 are respectively arranged in two rows on opposite sides of the third annular mounting portion 222 and exposed to the second annular groove 223. Each row of the second conductive terminals 23 forms a set of signal transmission terminals and the corresponding first conductive terminals 13 for signal transmission.

The fourth signal shielding member 25 is disposed between the two rows of second conductive terminals 23, and the fourth signal shielding member 25 is provided with at least two plug-in portions 251 to facilitate the cooperation of the second signal shielding member 15.

As shown in FIG. 6, when the first connecting component 10 and the second connecting component 20 are mated, the first annular mounting portion 121 is inserted into the second annular groove 223, and the third annular mounting portion 222 is inserted into the first Inside the ring groove 123.

At this time, the first conductive terminal 13 is in contact with the corresponding second conductive terminal 23 to perform signal transmission.

The second body portion 241 of the third signal shielding member 24 and the notch shielding portion 142 of the first signal shielding member 14 form multiple points of contact, and the elastic contact member 242 provided on the second body portion 241 and the first body portion 141 form multiple points of contact. The point contact forms an effective signal shield around the first conductive terminal 13 and the second conductive terminal 23, and prevents external signals from interfering with the signal transmitted by the first conductive terminal 13 and the second conductive terminal 23.

At the same time, the second signal shield 15 provided between the first conductive terminals 13 and the fourth signal shield 25 provided between the second conductive terminals 23 are in contact with each other, thereby connecting the first conductive terminals 13 inside the connector 1 and The second signal shield 15 isolates two signal transmission groups, and reduces the mutual interference between the signals transmitted by each signal transmission group.

In some embodiments, the first annular mounting portion 121 is further provided with a limiting groove 1212, and preferably, the limiting groove 1212 is provided on opposite sides of the first annular mounting portion 121.

A limiting block 224 that cooperates with the limiting groove 1212 is provided between the second annular mounting portion 221 and the third annular mounting portion 222.

In some embodiments, the first signal shield 14, the second signal shield 15, the third signal shield 24, and the fourth signal shield 25 are metal signal shields. It can be understood that the first signal shielding element 14, the second signal shielding element 15, the third signal shielding element 24, and the fourth signal shielding element 25 may not be metal signal shielding elements, and only the first signal shielding element 14 and the second signal shielding element are required. 15. The third signal shield 24 and the fourth signal shield 25 can be conductive.

Compared with the existing design, the connector provided by the present invention includes a first connection component and a second connection component that can be plugged and fitted. The second signal shield is provided on the first connection component and the second signal is shielded. The first conductive terminal is arranged between the plurality of first conductive terminals to divide the first conductive terminal into two groups of signal terminals. At the same time, a ring-shaped first signal shielding member is arranged around the first conductive terminal; There is a fourth signal shield, and the fourth signal shield is arranged between the plurality of second conductive terminals to separate the second conductive terminals into two groups of signal terminals. At the same time, a ring-shaped structure is arranged around the second conductive terminals. The third signal shield.

When the first connecting component and the second connecting component are mated, the two sets of signal terminals of the first conductive terminal are in contact with the two sets of signal terminals of the second conductive terminal to realize electrical connection; the first signal shield and the third signal shield The electrical connection and the second signal shield and the fourth signal shield form a multi-point contact electrical connection.

The first signal shield and the third signal shield are used to form an outer annular shield, thereby reducing signal leakage of the first conductive terminal and the second conductive terminal in the connector.

Further, the second signal shield and the fourth signal shield are used to form an effective shield for the signal transmission between the two sets of signal terminals inside the connector, thereby forming an all-round high-efficiency shielding inside and outside with low leakage, and a good solution to the inside of the connector The mutual interference between signals and the problem of signal leakage.

The above are only the embodiments of the invention. It should be pointed out here that for those of ordinary skill in the art, improvements can be made without departing from the inventive concept, but these are all within the protection scope of the invention. .

Claims (10)

A connector comprising a first connection component and a second connection component that can be plugged and fitted, and is characterized in that: the first connection component includes a first insulating member, and a connector mounted on the first insulating member A plurality of first conductive terminals, a first signal shielding member arranged around the first conductive terminal and used for connection with the ground potential, and a first signal shield provided between the plurality of first conductive terminals and used for connection with the ground potential Two signal shields; The second connection assembly includes a second insulating member, a plurality of second conductive terminals mounted on the second insulating member, and a third signal shielding member ringed around the second conductive terminal and used to connect to ground potential And a fourth signal shielding member arranged between the plurality of second conductive terminals and used for connection with the ground potential; When the first connecting component and the second connecting component are mated and mated, the first conductive terminal contacts the second conductive terminal; the first signal shield and the third signal shield form Multi-point ring-shaped contact, the second signal shield and the fourth signal shield form at least two-point contact. The connector according to claim 1, wherein the second signal shielding member is provided with at least two clamping portions, and the fourth signal shielding member is provided with at least two plug-in portions; When the first connecting component and the second connecting component are in plug-in fit, the clamping portion elastically clamps the plug-in portion. The connector according to claim 1, wherein the first insulator is provided with a first ring-shaped mounting portion and a limiting portion located in the first ring-shaped mounting portion, and the first ring-shaped mounting portion and A first annular groove is formed between the limiting parts; The first signal shielding member is disposed on the first annular mounting portion; A plurality of the first conductive terminals are arranged in two rows on opposite sides of the limiting portion respectively, and are exposed in the first annular groove; The limiting portion is provided with an opening, and the second signal shielding member is disposed between the two rows of the first conductive terminals and is exposed to the limiting portion through the opening. The connector according to claim 3, wherein the first signal shielding member comprises a first body portion, the first body portion is ring-shaped and sleeved on the outer wall of the first ring-shaped mounting portion, when When the first connection component and the second connection component are mated and mated, the first body portion and the second connection component form a multi-point annular contact. The connector according to claim 4, wherein the first signal shield further comprises a notch shielding portion, and opposite sides of the first body portion are provided with first notches for avoiding the first conductive terminal , The notch shielding portion is arranged opposite to the first notch and is connected to the first body portion and the ground potential. The connector according to claim 4, wherein the first annular mounting portion is provided with a protrusion, and the first body portion is provided with a groove for mating with the protrusion. The connector according to claim 3, wherein the second insulating member is provided with a second ring-shaped mounting portion and a third ring-shaped mounting portion, the second ring-shaped mounting portion and the third ring-shaped mounting portion A second annular groove is formed between; The third signal shield is mounted on the second annular mounting part; The plurality of second conductive terminals are arranged in two rows on opposite sides of the third annular mounting portion, and are exposed outside the second annular groove; The fourth signal shielding member is arranged between the two rows of the second conductive terminals; When the first connecting component and the second connecting component are plug-in mated, the first annular mounting portion is inserted into the second annular groove, and the third annular mounting portion is inserted into the first annular groove. Inside an annular groove. The connector according to claim 7, wherein the first ring-shaped mounting portion is provided with a limiting groove on opposite sides, and the second ring-shaped mounting portion and the third ring-shaped mounting portion are provided with and The limit block matched with the limit slot. The connector of claim 5, wherein the third signal shielding member includes a second body portion, a plurality of elastic contact members disposed on the second body portion, and a plurality of elastic contact members disposed on the second body portion close to the second body portion. The fitting piece on one side of the first connecting component; When the first connecting component and the second connecting component are plug-in-fitted, the elastic contact piece elastically clamps the first body part, and the fitting piece and the first signal shielding piece have a circular circumferential Fit to form a ring shield. 9. The connector of claim 9, wherein the first connection assembly further comprises a first substrate connected to the first insulating member; The first substrate is provided with the ground potential, one end of the first body portion is fixed to the first substrate and the first gap is formed between the first body portion and the first substrate, and the gap shielding portion is connected across The first notch is connected to the first body at both ends of the first notch and the first substrate, and is electrically connected to the ground potential; The second connection assembly further includes a second substrate connected to the second insulator; The second substrate is provided with the ground potential, and one end of the second body portion is fixed to the second substrate and is electrically connected to the ground potential.